Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan ky so snippets" » "pham ky so snippets", "than ky so snippets", "phap ky so snippets", "phan ly so snippets", "phan ky su snippets", "phan ka so snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("phan ky so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan ky so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan ky so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan ky so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.